From: Jamison, Kirk/ジャミソン カーク <k.jamison@fujitsu.com>
> [Results]
> Recovery/Failover performance (in seconds). 3 trial runs.
>
> | shared_buffers | master | patch | %reg |
> |----------------|--------|--------|---------|
> | 128MB | 32.406 | 33.785 | 4.08% |
> | 1GB | 36.188 | 32.747 | -10.51% |
> | 2GB | 41.996 | 32.88 | -27.73% |
Thanks for sharing good results. We want to know if we can get as significant results as you gained before with
hundredsof GBs of shared buffers, don't we?
> I also did similar benchmark performance as what Tomas did [1], simple
> "pgbench -S" tests (warmup and then 15 x 1-minute runs with 1, 8 and 16
> clients, but I'm not sure if my machine is reliable enough to produce reliable
> results for 8 clients and more.
Let me confirm just in case. Your patch should not affect pgbench performance, but you measured it. Is there anything
you'reconcerned about?
Regards
Takayuki Tsunakawa